Table 1

In vitro functional characterization of A-278637

CompoundMembrane Potential (FLIPR; −log EC50) Guinea Pig BladderTissue Strip Relaxation1-a
Spontaneous Phasic ActivityCarbachol-Evoked ContractionsElectrical Field-Stimulated Contractions
−log IC50
A-2786377.04  ± 0.11 (n = 5)7.64  ± 0.06 (n = 6)6.78  ± 0.08 (n = 6)6.51  ± 0.09 (n = 6)
6.89  ± 0.33 (n = 7; human)
WAY-1335377.72  ± 0.06 (n = 6)6.99  ± 0.06 (n = 5)6.82  ± 0.01 (n = 6)6.17  ± 0.13 (n = 5)
ZD61696.56  ± 0.10 (n = 12)6.68  ± 0.11 (n = 3)6.87  ± 0.05 (n = 4)5.59  ± 0.09 (n = 6)
  • 1-a  Data from pig detrusor strips except where indicated.